Highest-resolution image of Centaurus A obtained with the Event Horizon Telescope on top of a color composite image of the entire galaxy.

Enlarge / Highest-resolution image of Centaurus A obtained with the Event Horizon Telescope on top of a color composite image of the entire galaxy. (credit: Radboud University/ESO/WFI/MPIfR//APEX/NASA/CXC/CfA/EHT/M. Janssen et al.)

The Event Horizon Telescope (EHT) collaboration made headlines in 2019 by capturing the very first direct image of a black hole at the center of galaxy. Now, the EHT is back with another exciting breakthrough: images of the “dark heart” of a radio galaxy known as Centaurus A that enable the EHT to pinpoint the location of the supermassive black hole at the galaxy’s center, according to a new paper published in the journal Nature Astronomy. The image also captures the birth of a powerful jet emitting from the black hole. The jet’s unusual characteristics could help astronomers answer a few nagging questions about how such jets are produced in the first place.

“This allows us for the first time to see and study an extragalactic radio jet on scales smaller than the distance light travels in one day,” said co-author Michael Janssen, an astronomer at Max Planck Institute for Radio Astronomy in Bonn and Radboud University Nijmegen. “We …read more

Source:: Ars Technica

      

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